The hardest part about creating my graph was deciding how to best represent my data. I collected a lot of data and I was looking for the most efficient way to express it. I ended up choosing to show my data in a bar graph, after calculating the average number of lizards observed in each of my 4 areas of observation. I have made graphs before for other courses so using Excel to create by graph was not a challenge for me. The graph showed very clearly the results I was expecting, that the invasive Common Wall Lizard existed in higher amounts in the sunny areas, whereas the native lizards were more commonly found in areas of shade. The clear presentation of the data has allowed for the writing of my paper to continue very smoothly.
yes representation can be tricky.
bar graphs can be used when observations are not related (discrete observations) (such as, the number of students in a course), whereas continuous or line graphs can show related ( such as temperature across time). There are some good course references, and some on the web, like: https://statisticsbyjim.com/basics/data-types/
take caution when using means or other averages, that the data outliers are not obscured (use a whisker plot graph to show perhaps)
keep going! lots of good questions Nancy